function sure ()
{
	if (confirm('Are you sure?'))
		return true;
	else
		return false;
}

function getResponse(word,id,n) {
  var url = 'audio.php?id='+id+'&word='+word;
  AjaxRequest.get(
    {
      'url':url
      ,'onSuccess':function(req){ 
	      var img = document.getElementById('i'+n);
	      if (req.responseText==1) 
	      	img.src = 'icon/audioon.gif';
	      else
	      	img.src = 'icon/audiooff.gif';  
	   }
    }
  );
}